/* ==========================================================================
   Quadra — processi & software
   Art direction: carta calda + inchiostro freddo + un accento terracotta.
   Display: Cabinet Grotesk · Body: Satoshi (Fontshare)
   ========================================================================== */

:root, [data-theme="light"] {
  /* Superfici — carta calda */
  --color-bg: #f6f3ed;
  --color-surface: #fbf9f5;
  --color-surface-2: #fdfcfa;
  --color-surface-offset: #efeae1;
  --color-surface-ink: #20302c;      /* banda scura petrolio */
  --color-divider: #e4ddd1;
  --color-border: #d7cfc1;

  /* Testo — inchiostro leggermente freddo */
  --color-text: #1e2321;
  --color-text-muted: #64685f;
  --color-text-faint: #9a9a90;
  --color-text-inverse: #f4f1ea;

  /* Accento — terracotta */
  --color-primary: #9d4425;
  --color-primary-hover: #83371c;
  --color-primary-active: #6b2c16;
  --color-primary-soft: #f0e4dc;

  /* Secondario freddo (dettagli, non CTA) */
  --color-cool: #2c4b46;
  --color-cool-soft: #dfe6e2;

  --color-error: #a12c33;
  --color-success: #3d6b30;

  --radius-sm: 0.25rem;
  --radius-md: 0.375rem;
  --radius-lg: 0.625rem;
  --radius-full: 9999px;

  --shadow-sm: 0 1px 2px rgba(38, 30, 20, .06);
  --shadow-md: 0 6px 20px rgba(38, 30, 20, .07);
  --shadow-lg: 0 18px 44px rgba(38, 30, 20, .12);

  --transition-interactive: 180ms cubic-bezier(.16,1,.3,1);

  --content-narrow: 660px;
  --content-default: 1000px;
  --content-wide: 1200px;

  --font-display: 'Cabinet Grotesk', 'Satoshi', 'Helvetica Neue', sans-serif;
  --font-body: 'Satoshi', 'Inter', 'Helvetica Neue', sans-serif;

  /* Tipografia */
  --text-xs: clamp(.75rem, .72rem + .12vw, .8125rem);
  --text-sm: clamp(.875rem, .85rem + .15vw, .9375rem);
  --text-base: clamp(1rem, .97rem + .18vw, 1.0625rem);
  --text-lg: clamp(1.125rem, 1.05rem + .4vw, 1.375rem);
  --text-xl: clamp(1.5rem, 1.25rem + 1.1vw, 2.125rem);
  --text-2xl: clamp(2rem, 1.35rem + 2.3vw, 3.25rem);

  /* Spazio */
  --space-1: .25rem; --space-2: .5rem; --space-3: .75rem; --space-4: 1rem;
  --space-5: 1.25rem; --space-6: 1.5rem; --space-8: 2rem; --space-10: 2.5rem;
  --space-12: 3rem; --space-16: 4rem; --space-20: 5rem; --space-24: 6rem; --space-32: 8rem;
}

[data-theme="dark"] {
  --color-bg: #16181a;
  --color-surface: #1c1f20;
  --color-surface-2: #212425;
  --color-surface-offset: #1f2223;
  --color-surface-ink: #101617;
  --color-divider: #2a2e2f;
  --color-border: #383d3d;

  --color-text: #dcdad3;
  --color-text-muted: #92968e;
  --color-text-faint: #6a6e68;
  --color-text-inverse: #f2efe8;

  --color-primary: #d5764e;
  --color-primary-hover: #e28e69;
  --color-primary-active: #eda587;
  --color-primary-soft: #2e2320;

  --color-cool: #86aca4;
  --color-cool-soft: #1f2b29;

  --color-error: #dd7a80;
  --color-success: #7aa96a;

  --shadow-sm: 0 1px 2px rgba(0,0,0,.35);
  --shadow-md: 0 6px 20px rgba(0,0,0,.4);
  --shadow-lg: 0 18px 44px rgba(0,0,0,.5);
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme]) {
    --color-bg: #16181a; --color-surface: #1c1f20; --color-surface-2: #212425;
    --color-surface-offset: #1f2223; --color-surface-ink: #101617;
    --color-divider: #2a2e2f; --color-border: #383d3d;
    --color-text: #dcdad3; --color-text-muted: #92968e; --color-text-faint: #6a6e68;
    --color-primary: #d5764e; --color-primary-hover: #e28e69; --color-primary-active: #eda587;
    --color-primary-soft: #2e2320; --color-cool: #86aca4; --color-cool-soft: #1f2b29;
  }
}

/* ============================ base ============================ */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html {
  -webkit-text-size-adjust: none; text-size-adjust: none;
  -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  scroll-behavior: smooth;
  scroll-padding-top: 5.5rem;
}

body {
  min-height: 100dvh;
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: 1.65;
  color: var(--color-text);
  background: var(--color-bg);
  overflow-x: hidden;
}

img, svg, video { display: block; max-width: 100%; height: auto; }
ul[role="list"], ol[role="list"] { list-style: none; }
input, button, textarea, select { font: inherit; color: inherit; }
button { cursor: pointer; background: none; border: none; }
[hidden] { display: none !important; }

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -.015em;
  text-wrap: balance;
}
p { text-wrap: pretty; }

a { color: inherit; }

::selection { background: var(--color-primary-soft); color: var(--color-text); }

:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 3px;
  border-radius: var(--radius-sm);
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: .01ms !important; animation-iteration-count: 1 !important;
    transition-duration: .01ms !important; scroll-behavior: auto !important;
  }
}

a, button, input, textarea, select, summary {
  transition: color var(--transition-interactive), background var(--transition-interactive),
              border-color var(--transition-interactive), box-shadow var(--transition-interactive),
              opacity var(--transition-interactive);
}

.skip-link {
  position: absolute; left: var(--space-4); top: var(--space-2);
  transform: translateY(-200%);
  background: var(--color-text); color: var(--color-bg);
  padding: var(--space-2) var(--space-4); border-radius: var(--radius-md);
  font-size: var(--text-sm); z-index: 100;
}
.skip-link:focus { transform: translateY(0); }

.shell {
  width: 100%;
  max-width: var(--content-wide);
  margin-inline: auto;
  padding-inline: clamp(var(--space-5), 5vw, var(--space-12));
}

/* ============================ tipografia utilitaria ============================ */
.kicker {
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--color-primary);
  margin-bottom: var(--space-3);
}
.eyebrow {
  display: inline-flex; align-items: center; gap: var(--space-2);
  font-size: var(--text-xs); letter-spacing: .1em; text-transform: uppercase;
  color: var(--color-text-muted); font-weight: 500;
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-full);
}
.eyebrow .dot { width: 6px; height: 6px; border-radius: 50%; background: var(--color-primary); }

.lede, .section-lede {
  font-size: var(--text-lg);
  line-height: 1.55;
  color: var(--color-text-muted);
  max-width: 58ch;
}

/* ============================ bottoni ============================ */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: var(--space-2);
  font-size: var(--text-sm); font-weight: 700; letter-spacing: -.005em;
  padding: var(--space-3) var(--space-6);
  border-radius: var(--radius-md);
  text-decoration: none;
  border: 1px solid transparent;
  min-height: 2.875rem;
}
.btn-sm { padding: var(--space-2) var(--space-4); min-height: 2.25rem; }
.btn-primary { background: var(--color-primary); color: #fff; }
.btn-primary:hover { background: var(--color-primary-hover); }
.btn-primary:active { background: var(--color-primary-active); }
[data-theme="dark"] .btn-primary { color: #17110d; }
@media (prefers-color-scheme: dark) { :root:not([data-theme]) .btn-primary { color: #17110d; } }

.btn-ghost {
  border-color: var(--color-border);
  background: transparent;
  color: var(--color-text);
}
.btn-ghost:hover { border-color: var(--color-text); background: var(--color-surface); }
.btn-ghost svg { transition: transform var(--transition-interactive); }
.btn-ghost:hover svg { transform: translateX(3px); }

/* ============================ header ============================ */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: color-mix(in oklab, var(--color-bg) 88%, transparent);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid transparent;
  transition: border-color var(--transition-interactive), box-shadow var(--transition-interactive);
}
.site-header.is-scrolled { border-bottom-color: var(--color-divider); box-shadow: var(--shadow-sm); }

.header-inner {
  display: flex; align-items: center; justify-content: space-between;
  gap: var(--space-6);
  min-height: 4.5rem;
}

.brand { display: inline-flex; align-items: center; gap: var(--space-3); text-decoration: none; }
.brand-mark { flex: none; color: var(--color-text); }
.brand-text { display: flex; flex-direction: column; line-height: 1.05; }
.brand-name {
  font-family: var(--font-display); font-weight: 800; font-size: 1.1875rem;
  letter-spacing: -.02em;
}
.brand-sub {
  font-size: .6875rem; letter-spacing: .14em; text-transform: uppercase;
  color: var(--color-text-muted);
}

.nav { display: flex; align-items: center; gap: var(--space-8); }
.nav ul { display: flex; align-items: center; gap: var(--space-6); list-style: none; }
.nav a:not(.btn) {
  font-size: var(--text-sm); font-weight: 500; text-decoration: none;
  color: var(--color-text-muted); padding-block: var(--space-2);
  position: relative;
}
.nav a:not(.btn)::after {
  content: ""; position: absolute; left: 0; right: 100%; bottom: 0;
  height: 1.5px; background: var(--color-primary);
  transition: right var(--transition-interactive);
}
.nav a:not(.btn):hover { color: var(--color-text); }
.nav a:not(.btn):hover::after, .nav a.is-active::after { right: 0; }
.nav a.is-active { color: var(--color-text); }

.header-tools { display: flex; align-items: center; gap: var(--space-2); }
.icon-btn {
  display: inline-flex; align-items: center; justify-content: center;
  width: 2.375rem; height: 2.375rem;
  border: 1px solid var(--color-border); border-radius: var(--radius-md);
  color: var(--color-text-muted); background: var(--color-surface);
}
.icon-btn:hover { color: var(--color-text); border-color: var(--color-text-faint); }
.nav-toggle { display: none; }

@media (max-width: 900px) {
  .nav {
    position: fixed; inset: 4.5rem 0 auto 0;
    flex-direction: column; align-items: stretch; gap: var(--space-4);
    background: var(--color-surface);
    border-bottom: 1px solid var(--color-border);
    padding: var(--space-6) clamp(var(--space-5), 5vw, var(--space-12)) var(--space-8);
    box-shadow: var(--shadow-lg);
    transform: translateY(-8px); opacity: 0; visibility: hidden; pointer-events: none;
    transition: opacity .22s ease, transform .22s ease, visibility .22s;
  }
  .nav.is-open { transform: translateY(0); opacity: 1; visibility: visible; pointer-events: auto; }
  .nav ul { flex-direction: column; align-items: stretch; gap: 0; }
  .nav ul li + li { border-top: 1px solid var(--color-divider); }
  .nav a:not(.btn) { display: block; padding-block: var(--space-4); font-size: var(--text-base); }
  .nav a:not(.btn)::after { display: none; }
  .nav-cta { width: 100%; }
  .nav-toggle { display: inline-flex; }
}

/* ============================ hero ============================ */
.hero { padding-block: clamp(var(--space-12), 7vw, var(--space-24)) clamp(var(--space-12), 6vw, var(--space-20)); }
.hero-grid {
  display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr);
  gap: clamp(var(--space-8), 5vw, var(--space-16));
  align-items: center;
}
.hero h1 {
  font-size: var(--text-2xl);
  margin-block: var(--space-6) var(--space-6);
  max-width: 20ch;
}
.hero h1 em {
  font-style: normal;
  color: var(--color-primary);
  text-decoration: underline;
  text-decoration-thickness: 2px;
  text-underline-offset: 6px;
}
.hero .lede { max-width: 48ch; }
.hero-actions {
  display: flex; flex-wrap: wrap; gap: var(--space-3);
  margin-block: var(--space-8);
}
.hero-facts {
  display: grid; gap: var(--space-4);
  border-top: 1px solid var(--color-divider);
  padding-top: var(--space-6);
  grid-template-columns: repeat(3, minmax(0, 1fr));
}
.hero-facts li { display: flex; flex-direction: column; gap: var(--space-1); }
.hero-facts strong { font-size: var(--text-sm); font-weight: 700; }
.hero-facts span { font-size: var(--text-xs); color: var(--color-text-muted); line-height: 1.45; }

.hero-figure { position: relative; }
.hero-figure img {
  width: 100%; border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  aspect-ratio: 3 / 2; object-fit: cover;
}
.hero-figure figcaption {
  font-size: var(--text-xs); color: var(--color-text-muted);
  margin-top: var(--space-4); max-width: 34ch;
  border-left: 2px solid var(--color-primary); padding-left: var(--space-3);
}

@media (max-width: 900px) {
  .hero-grid { grid-template-columns: minmax(0, 1fr); }
  .hero h1 { max-width: none; }
  .hero-facts { grid-template-columns: minmax(0, 1fr); gap: var(--space-5); }
  .hero-figure { order: -1; }
}

/* ============================ banda posizionamento ============================ */
.band {
  background: var(--color-surface-ink);
  color: var(--color-text-inverse);
  padding-block: clamp(var(--space-12), 7vw, var(--space-20));
}
.band-inner {
  display: grid; grid-template-columns: minmax(0, 1.15fr) minmax(0, .85fr);
  gap: clamp(var(--space-8), 5vw, var(--space-16));
  align-items: start;
}
.band-quote {
  font-family: var(--font-display); font-weight: 700;
  font-size: var(--text-xl); line-height: 1.25; letter-spacing: -.02em;
  max-width: 26ch;
}
.band-quote em { font-style: normal; color: #e2a583; }
.band-note p { font-size: var(--text-base); color: color-mix(in oklab, var(--color-text-inverse) 76%, transparent); max-width: 48ch; }
@media (max-width: 860px) { .band-inner { grid-template-columns: minmax(0,1fr); } .band-quote { max-width: none; } }

/* ============================ sezioni ============================ */
.section { padding-block: clamp(var(--space-16), 9vw, var(--space-32)); }
.section--offset { background: var(--color-surface-offset); }
.section-head { max-width: 46rem; margin-bottom: clamp(var(--space-10), 5vw, var(--space-16)); }
.section-head h2 { font-size: var(--text-xl); margin-bottom: var(--space-4); }
.section-head--left { margin-bottom: 0; }

/* ---- servizi ---- */
.service {
  display: grid; grid-template-columns: minmax(0, .9fr) minmax(0, 1.1fr);
  gap: clamp(var(--space-8), 5vw, var(--space-16));
  align-items: start;
  padding-block: clamp(var(--space-10), 5vw, var(--space-16));
  border-top: 1px solid var(--color-divider);
}
.service--reverse .service-media { order: 2; }
.service-media img {
  width: 100%; aspect-ratio: 4 / 3; object-fit: cover;
  border-radius: var(--radius-lg); box-shadow: var(--shadow-md);
}
.service-index {
  font-family: var(--font-display); font-weight: 800; font-size: var(--text-lg);
  color: var(--color-primary); margin-bottom: var(--space-2);
}
.service-body h3 { font-size: var(--text-lg); margin-bottom: var(--space-4); max-width: 24ch; }
.service-body > p { color: var(--color-text-muted); max-width: 52ch; }
.tick-list {
  display: grid; gap: var(--space-3);
  margin-block: var(--space-6);
  grid-template-columns: repeat(auto-fit, minmax(15rem, 1fr));
}
.tick-list li {
  position: relative; padding-left: var(--space-6);
  font-size: var(--text-sm); line-height: 1.5;
}
.tick-list li::before {
  content: ""; position: absolute; left: 0; top: .5em;
  width: 9px; height: 9px; background: var(--color-primary);
}
.service-foot {
  font-size: var(--text-sm); font-weight: 500;
  border-left: 2px solid var(--color-cool);
  padding-left: var(--space-4); color: var(--color-text);
}
@media (max-width: 900px) {
  .service, .service--reverse { grid-template-columns: minmax(0, 1fr); }
  .service--reverse .service-media { order: 0; }
}

/* ---- metodo ---- */
.metodo-grid {
  display: grid; grid-template-columns: minmax(0, .85fr) minmax(0, 1.15fr);
  gap: clamp(var(--space-10), 6vw, var(--space-20));
  align-items: start;
}
.metodo-intro { position: sticky; top: 6.5rem; }
.metodo-figure { margin-top: var(--space-10); }
.metodo-figure img {
  width: 100%; max-width: 22rem; border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
}
.steps { display: grid; gap: 0; counter-reset: step; }
.steps li {
  display: grid; grid-template-columns: 4rem minmax(0, 1fr);
  gap: var(--space-4) var(--space-6);
  padding-block: var(--space-8);
  border-top: 1px solid var(--color-border);
}
.steps li:last-child { border-bottom: 1px solid var(--color-border); }
.step-num {
  font-family: var(--font-display); font-weight: 800; font-size: var(--text-lg);
  color: var(--color-text-faint);
}
.steps h3 { font-size: var(--text-lg); margin-bottom: var(--space-3); }
.steps p:not(.step-num) { color: var(--color-text-muted); font-size: var(--text-sm); max-width: 52ch; }
.steps li > h3, .steps li > p:not(.step-num) { grid-column: 2; }
@media (max-width: 900px) {
  .metodo-grid { grid-template-columns: minmax(0, 1fr); }
  .metodo-intro { position: static; }
  .metodo-figure { display: none; }
  .steps li { grid-template-columns: minmax(0, 1fr); gap: var(--space-2); padding-block: var(--space-6); }
  .steps li > h3, .steps li > p:not(.step-num) { grid-column: 1; }
}

/* ---- casi d'uso ---- */
.cases {
  display: grid; gap: var(--space-6);
  grid-template-columns: repeat(2, minmax(0, 1fr));
}
@media (max-width: 760px) { .cases { grid-template-columns: minmax(0, 1fr); } }
.case {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: clamp(var(--space-6), 3vw, var(--space-8));
  display: flex; flex-direction: column;
}
.case-tag {
  align-self: flex-start;
  font-size: var(--text-xs); font-weight: 700; letter-spacing: .1em; text-transform: uppercase;
  color: var(--color-cool);
  background: var(--color-cool-soft);
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-full);
  margin-bottom: var(--space-5);
}
.case h3 { font-size: var(--text-lg); margin-bottom: var(--space-5); }
.case dl { display: grid; gap: var(--space-2); }
.case dt {
  font-size: var(--text-xs); font-weight: 700; letter-spacing: .08em; text-transform: uppercase;
  color: var(--color-text-faint);
}
.case dd { font-size: var(--text-sm); color: var(--color-text-muted); margin-bottom: var(--space-3); }
.case dd:last-child { margin-bottom: 0; }

/* ---- perché me ---- */
.perche-grid {
  display: grid; grid-template-columns: minmax(0, .8fr) minmax(0, 1.2fr);
  gap: clamp(var(--space-10), 6vw, var(--space-20));
  align-items: start;
}
.perche-figure img {
  width: 100%; aspect-ratio: 3 / 4; object-fit: cover;
  border-radius: var(--radius-lg); box-shadow: var(--shadow-md);
}
.perche-copy h2 { font-size: var(--text-xl); margin-bottom: var(--space-5); }
.perche-copy > p { color: var(--color-text-muted); max-width: 54ch; }
.reasons {
  display: grid; gap: var(--space-6);
  margin-top: var(--space-10);
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 17rem), 1fr));
}
.reasons li { border-top: 2px solid var(--color-text); padding-top: var(--space-4); }
.reasons h3 { font-size: var(--text-base); font-family: var(--font-body); font-weight: 700; margin-bottom: var(--space-2); }
.reasons p { font-size: var(--text-sm); color: var(--color-text-muted); }
@media (max-width: 900px) {
  .perche-grid { grid-template-columns: minmax(0, 1fr); }
  .perche-figure img { aspect-ratio: 4 / 3; }
}

/* ---- faq ---- */
.faq-grid {
  display: grid; grid-template-columns: minmax(0, .8fr) minmax(0, 1.2fr);
  gap: clamp(var(--space-10), 6vw, var(--space-20));
  align-items: start;
}
.faq-list { border-top: 1px solid var(--color-border); }
.faq-list details { border-bottom: 1px solid var(--color-border); }
.faq-list summary {
  display: flex; align-items: flex-start; justify-content: space-between; gap: var(--space-4);
  padding-block: var(--space-5);
  font-weight: 700; font-size: var(--text-base);
  cursor: pointer; list-style: none;
}
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary::after {
  content: ""; flex: none; margin-top: .45em;
  width: 12px; height: 12px;
  background:
    linear-gradient(currentColor, currentColor) center / 12px 2px no-repeat,
    linear-gradient(currentColor, currentColor) center / 2px 12px no-repeat;
  color: var(--color-primary);
  transition: transform var(--transition-interactive);
}
.faq-list details[open] summary::after { transform: rotate(45deg); }
.faq-list summary:hover { color: var(--color-primary); }
.faq-body { padding-bottom: var(--space-5); }
.faq-body p { font-size: var(--text-sm); color: var(--color-text-muted); max-width: 60ch; }
@media (max-width: 900px) { .faq-grid { grid-template-columns: minmax(0, 1fr); } }

/* ---- contatti ---- */
.section--contact { background: var(--color-surface-offset); }
.contact-grid {
  display: grid; grid-template-columns: minmax(0, .9fr) minmax(0, 1.1fr);
  gap: clamp(var(--space-10), 6vw, var(--space-20));
  align-items: start;
}
.contact-intro h2 { font-size: var(--text-xl); margin-bottom: var(--space-4); }
.contact-list {
  display: grid; gap: var(--space-4);
  margin-top: var(--space-10);
  border-top: 1px solid var(--color-border);
  padding-top: var(--space-6);
}
.contact-list li { display: grid; grid-template-columns: 6.5rem minmax(0, 1fr); gap: var(--space-4); align-items: baseline; }
.contact-label {
  font-size: var(--text-xs); font-weight: 700; letter-spacing: .1em; text-transform: uppercase;
  color: var(--color-text-faint);
}
.contact-value { font-size: var(--text-sm); font-weight: 500; }
.contact-list li:nth-child(-n+2) .contact-value { color: var(--color-primary); font-weight: 700; }
a.contact-value { text-decoration: none; border-bottom: 1px solid color-mix(in srgb, var(--color-primary) 40%, transparent); transition: border-color 0.2s ease; }
a.contact-value:hover { border-bottom-color: var(--color-primary); }

.contact-form {
  display: grid; grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-5);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: clamp(var(--space-6), 3vw, var(--space-10));
}
.field { display: flex; flex-direction: column; gap: var(--space-2); min-width: 0; }
.field--full { grid-column: 1 / -1; }
.field label { font-size: var(--text-sm); font-weight: 500; }
.field label span { color: var(--color-primary); }
.field input:not([type="checkbox"]), .field textarea, .field select {
  width: 100%;
  background: var(--color-surface-2);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-3) var(--space-4);
  font-size: var(--text-sm);
  min-height: 2.75rem;
}
.field textarea { resize: vertical; min-height: 8rem; line-height: 1.55; }
.field input:focus, .field textarea:focus, .field select:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px var(--color-primary-soft);
  outline: none;
}
.field input[aria-invalid="true"], .field textarea[aria-invalid="true"] { border-color: var(--color-error); }
.error { font-size: var(--text-xs); color: var(--color-error); font-weight: 500; }
.field--check {
  display: grid; grid-template-columns: auto minmax(0, 1fr);
  gap: var(--space-2) var(--space-3); align-items: start;
}
.field--check input { width: 1.125rem; height: 1.125rem; margin-top: .2rem; accent-color: var(--color-primary); }
.field--check label { font-size: var(--text-xs); color: var(--color-text-muted); line-height: 1.5; }
.field--check .error { grid-column: 1 / -1; }

.form-foot { display: flex; flex-wrap: wrap; align-items: center; gap: var(--space-4); }
.form-hint { font-size: var(--text-xs); color: var(--color-text-muted); max-width: 32ch; }
.form-success {
  display: flex; gap: var(--space-3); align-items: flex-start;
  border: 1px solid color-mix(in oklab, var(--color-success) 40%, var(--color-border));
  background: color-mix(in oklab, var(--color-success) 10%, var(--color-surface-2));
  border-radius: var(--radius-md);
  padding: var(--space-4);
}
.form-success svg { color: var(--color-success); flex: none; margin-top: .15rem; }
.form-success p { font-size: var(--text-sm); }
.form-success-alt { color: var(--color-text-muted); margin-top: var(--space-1); }

.form-error {
  border: 1px solid color-mix(in oklab, var(--color-error) 45%, var(--color-border));
  background: color-mix(in oklab, var(--color-error) 9%, var(--color-surface-2));
  border-radius: var(--radius-md);
  padding: var(--space-4);
  font-size: var(--text-sm);
  color: var(--color-text);
}

.contact-form button[type="submit"][disabled] { opacity: .6; cursor: progress; }

/* Campo trappola anti-abuso: fuori dal flusso e fuori dal focus, non letto dagli screen reader */
.field-trappola {
  position: absolute; width: 1px; height: 1px; overflow: hidden;
  clip-path: inset(50%); white-space: nowrap; border: 0; padding: 0; margin: -1px;
}

@media (max-width: 900px) { .contact-grid { grid-template-columns: minmax(0, 1fr); } }
@media (max-width: 560px) {
  .contact-form { grid-template-columns: minmax(0, 1fr); }
  .contact-list li { grid-template-columns: minmax(0, 1fr); gap: var(--space-1); }
}

/* ============================ footer ============================ */
.site-footer {
  background: var(--color-surface-ink);
  color: var(--color-text-inverse);
  padding-block: clamp(var(--space-12), 6vw, var(--space-16));
}
.footer-inner {
  display: grid; grid-template-columns: minmax(0, 1.4fr) minmax(0, .8fr) minmax(0, 1fr);
  gap: clamp(var(--space-8), 4vw, var(--space-12));
  align-items: start;
}
.footer-brand { display: flex; gap: var(--space-4); align-items: flex-start; }
.footer-brand svg { flex: none; }
.footer-brand p { font-size: var(--text-sm); color: color-mix(in oklab, var(--color-text-inverse) 78%, transparent); max-width: 34ch; }
.footer-brand strong { color: var(--color-text-inverse); }
.footer-nav ul { display: grid; gap: var(--space-2); }
.footer-nav a, .footer-legal a {
  font-size: var(--text-sm); text-decoration: none;
  color: color-mix(in oklab, var(--color-text-inverse) 72%, transparent);
}
.footer-nav a:hover, .footer-legal a:hover { color: var(--color-text-inverse); text-decoration: underline; }
.footer-legal { display: grid; gap: var(--space-3); }
.footer-legal p { font-size: var(--text-xs); color: color-mix(in oklab, var(--color-text-inverse) 62%, transparent); }
.footer-legal ul { display: flex; flex-wrap: wrap; gap: var(--space-4); list-style: none; }
.footer-copy { color: color-mix(in oklab, var(--color-text-inverse) 45%, transparent) !important; }
@media (max-width: 860px) { .footer-inner { grid-template-columns: minmax(0, 1fr); } }

/* ============================ reveal ============================ */
.reveal { opacity: 0; transform: translateY(14px); }
.reveal.is-visible { opacity: 1; transform: none; transition: opacity .6s ease, transform .6s cubic-bezier(.16,1,.3,1); }
@media (prefers-reduced-motion: reduce) { .reveal { opacity: 1; transform: none; } }

/* ==========================================================================
   Pagine legali (privacy policy, cookie policy)
   ========================================================================== */
.legal-page { padding-block: clamp(var(--space-16), 9vw, var(--space-24)) var(--space-20); }
.legal-head { max-width: var(--content-narrow); margin-bottom: var(--space-12); }
.legal-head h1 {
  font-family: var(--font-display); font-weight: 800;
  font-size: var(--text-2xl); line-height: 1.06; letter-spacing: -.02em;
  margin: var(--space-4) 0 var(--space-5);
}
.legal-updated {
  font-size: var(--text-xs); text-transform: uppercase; letter-spacing: .1em;
  color: var(--color-text-faint); font-weight: 500;
}
.legal-lede { font-size: var(--text-lg); line-height: 1.55; color: var(--color-text-muted); }

.legal-body { max-width: var(--content-narrow); }
.legal-body h2 {
  font-family: var(--font-display); font-weight: 700;
  font-size: var(--text-xl); line-height: 1.15; letter-spacing: -.015em;
  margin: var(--space-16) 0 var(--space-4);
  padding-top: var(--space-6); border-top: 1px solid var(--color-divider);
}
.legal-body h2:first-child { margin-top: 0; border-top: 0; padding-top: 0; }
.legal-body h3 {
  font-family: var(--font-body); font-weight: 700;
  font-size: var(--text-base); margin: var(--space-8) 0 var(--space-3);
}
.legal-body p, .legal-body li { font-size: var(--text-base); line-height: 1.7; color: var(--color-text-muted); }
.legal-body p { margin-bottom: var(--space-4); }
.legal-body strong { color: var(--color-text); font-weight: 700; }
.legal-body ul, .legal-body ol { margin: 0 0 var(--space-5) var(--space-5); }
.legal-body li { margin-bottom: var(--space-2); padding-left: var(--space-1); }
.legal-body a { color: var(--color-primary); text-decoration: underline; text-underline-offset: 3px; }
.legal-body a:hover { color: var(--color-primary-hover); }

.legal-callout {
  background: var(--color-surface); border: 1px solid var(--color-border);
  border-left: 3px solid var(--color-primary);
  border-radius: var(--radius-md);
  padding: var(--space-6);
  margin: var(--space-8) 0;
}
.legal-callout p:last-child { margin-bottom: 0; }

.legal-table-wrap { overflow-x: auto; margin: 0 0 var(--space-6); }
.legal-table { width: 100%; border-collapse: collapse; font-size: var(--text-sm); min-width: 30rem; }
.legal-table th, .legal-table td {
  text-align: left; vertical-align: top;
  padding: var(--space-3) var(--space-4);
  border-bottom: 1px solid var(--color-divider);
  line-height: 1.55;
}
.legal-table th { font-weight: 700; color: var(--color-text); background: var(--color-surface-offset); }
.legal-table td { color: var(--color-text-muted); }
.legal-table tr:last-child td { border-bottom: 0; }

.legal-todo {
  display: inline-block; font-weight: 700; font-size: .85em;
  color: var(--color-primary); background: var(--color-primary-soft);
  padding: .05em .45em; border-radius: var(--radius-sm);
  overflow-wrap: break-word;
}

.legal-back {
  display: inline-flex; align-items: center; gap: var(--space-2);
  margin-top: var(--space-16); font-weight: 500; font-size: var(--text-sm);
  color: var(--color-text-muted); text-decoration: none;
}
.legal-back:hover { color: var(--color-primary); }

.visually-hidden {
  position: absolute; width: 1px; height: 1px; padding: 0;
  margin: -1px; overflow: hidden; clip: rect(0 0 0 0);
  white-space: nowrap; border: 0;
}
.field--check label a { color: var(--color-primary); text-decoration: underline; text-underline-offset: 2px; }